Know Your Environment. Protect Your Health.

Cobalt

Redmond Water Department

Cobalt is a metal found throughout the environment; people may be exposed to cobalt in air, food and drinking water.

 

28

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND280ND
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
2021N/A00N/A
2022N/A00N/A
2023N/A00N/A

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 70 ppb

The EWG Health Guideline of 70 ppb for cobalt was defined by the Environmental Protection Agency as a benchmark for testing under the Unregulated Contaminant Monitoring Rule program. This health guideline protects against change in blood chemistry.

ppb = parts per billion

All test results

Date Lab ID Result
2014-03-18201403190605AMND
2014-03-18201403190846AMND
2014-03-18201403190626AMND
2014-03-18201403190616AMND
2014-03-18201403190609AMND
2014-03-18201403190603AMND
2014-03-18201403190618AMND
2014-03-18201403190601AMND
2014-03-19201403200279AMND
2014-03-19201403200285AMND
2014-03-19201403200257AMND
2014-03-19201403200414AMND
2014-03-19201403200223AMND
2014-03-19201403200411AMND
2014-09-10201409110810AMND
2014-09-10201409110901AMND
2014-09-10201409110753AMND
2014-09-10201409110825AMND
2014-09-10201409110840AMND
2014-09-10201409110583AMND
2014-09-15201409160635AMND
2014-09-15201409160405AMND
2014-09-15201409160591AMND
2014-09-15201409160629AMND
2014-09-23201409240408AMND
2014-09-23201409240410AMND
2014-10-20201410210088AMND
2014-10-20201410210247AMND